Estimate Sums and Differences

Estimate the sum of 37+99 by rounding to the nearest tens

• 120
• 150
• 140
• 136

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate the sum of 52+59 by rounding to the nearest tens

• 110
• 100
• 111
• 90

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Estimate the sum of 120+190 by rounding to the nearest hundreds

• 100
• 200
• 0
• 300

Tags

CCSS.3.NBT.A.1

CCSS.3.OA.D.8

Estimate the sum of 327+431 by rounding to the nearest hundreds

• 700
• 600
• 758
• 800

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Mr. Smith drove 1,380 miles in the month of August and 656 miles in the month of September. Approximately how many miles did he drive all together.

• 2,000.
• 2,100.
• 2,036.
• 2,500.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Tracy ordered 325 pet toys and 165 bags of dog food for her new pet store. Which is the best estimate of the total number of items Tracy ordered?

• 400
• 500
• 600
• 700

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

There was 926 people at basketball tournament. 607 people left before noon. Which is the best estimate of the number of people who stayed?

• 150
• 250
• 300
• 500

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

While on a trip, Becca counted 148 red cars and 153 blue cars. Jasmine, her sister, counted 184 white cars and 92 green cars. Rounding to the tens place, who counted more cars?

• Becca counted more, she got 300

• Jasmine counted more, she got 300

• Becca counted more, she got 250

• Jasmine counted more, she got 250

Tags

CCSS.3.NBT.A.1

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Which answer is reasonable for the following problem: Sally went shopping with $50. Could she buy a shirt for $17 and pants for $29?

• No, she doesn't have enough money.

• Yes, she has enough money.

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8

Estimate the sum of 56+79.

• 140
• 130
• 12
• 1200

Tags

CCSS.3.NBT.A.2

CCSS.3.OA.D.8